Two limpets with eroded tips in a rock crevice. Doringbaai, Northern Cape (2020) - iNaturalist Shell tall, oval in outline, apex positioned very close to the anterior end, dark brown in colour with about 26 black ribs that are distinctively prickled. About 30 mm. Lives very high on the shore, concealed in crevices or beneath… Continue reading Prickly limpet (Helcion pectunculus)